It's even acceptable to alter them, if appropriate, based upon new learnings or course changes.
如果适当，甚至可以根据新的经验或过程变更来改变它们。
It occurred to me that the slightest slip of the tongue, the smallest mistake, even a social faux pas can alter our self critical selves momentarily or forever!
依我所见，我们谈吐时的半点闪失，最微小的错误，哪怕是一次社交失仪都会在一瞬间甚至永远改变我们对自身的看法！
You can add and drop indexes; alter tables by dropping, renaming, or adding columns; and even drop down into SQL as necessary.
可以添加和删除索引；通过删除、改名或添加列来修改表；甚至在必要的时候借助于SQL。
Even if monitored, a casual attacker will be stymied by the presence of backspace and other characters that apparently alter the presence or order of characters in the password string.
即使受到监视，使用后退键或者其他明显破坏密码字符串显示和顺序的字符，都可以使偶然的攻击者无所适从。
Because this restriction is removed, even if the database is not created in UTF-8, a user can alter a table to add an XML column or create a new table with XML columns.
由于去掉了这个限制，即使数据库不是用utf - 8格式创建的，用户也可以更改一个表以添加xml列，或者创建一个包含xml列的新表。
Each scene is fully replaceable, meaning that it's possible to replace it, alter it, or even remove it without compromising the whole picture (if that's what the director wants).
每一个场景都是可替换的，意味着可以替换、修改，甚至删除这个场景而不影响到整个电影(如果导演需要的话)。
In this recently emerged field of 'quantum biology', consciousness (perception) can be observed to alter the health or even the daily interactions of cells.
在最近出现的‘量子生物学’领域里，意识(感知)可以被观察去改变健康甚或日常细胞的互联作用。
Understandably, we would all like to have the ability to alter the physical world, including ourselves, as we see fit, or even to live forever by means of the sheer force of our will.
可以理解，我们都希望能够按照自己的想法改变自然世界，包括改变我们自身，甚至只要愿意就能够永生。
It is thought that her diet, the amount she exercises, whether she smokes or drinks alcohol and even which pollutants she is exposed to can alter the DNA of her unborn child.
据研究，准妈妈饮食习惯、运动量、酗酒抽烟与否，乃至接触过的污染性物质，都可能影响胎儿的DNA。
It is thought that her diet, the amount she exercises, whether she smokes or drinks alcohol and even which pollutants she is exposed to can alter the DNA of her unborn child.
据研究，准妈妈饮食习惯、运动量、酗酒抽烟与否，乃至接触过的污染性物质，都可能影响胎儿的DNA。
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